Lock



FIG. 1 is a perspective view of a container with a lock showing my new design;

FIG. 2 is a perspective view of the lock of FIG. 1;

FIG. 3 is a side view of the lock of FIG. 1;

FIG. 4 is a front view of the lock of FIG. 1;

FIG. 5 is a back view of the lock of FIG. 1;

FIG. 6 is a top view of the lock of FIG. 1; and,

FIG. 7 is a bottom view of the lock of FIG. 1.

The broken disclosure of the container and other structure is for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a lock, as shown and described. 